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Dual modulus orthopaedic prosthesis stem
专利权人:
发明人:
申请号:
EP14197339.6
公开号:
EP2886085B1
申请日:
2014.12.11
申请国别(地区):
EP
年份:
2017
代理人:
摘要:
An orthopaedic prosthesis which can be used in hip replacement surgery includes a metallic foam shell including a sheath, and a metallic core having (i) a neck positioned proximal of the sheath, the neck being configured to receive a femoral head component, (ii) a first core segment positioned in the sheath, and (iii) a second core segment positioned distal of the sheath. The metallic foam shell further includes a cover layer extending distally from the sheath, the cover layer engaging only a lateral surface of the second core segment. When the orthopaedic prosthesis is viewed in a transverse plane extending through the cover layer of the metallic foam shell, (i) the cover layer defines a first cross-sectional area, (ii) the cover layer and the second core segment define a second cross-sectional area, and (iii) a ratio of the first cross-sectional area to the second cross-sectional area is greater than 0.30.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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